Avoidance of service interruptions in visited public land mobile network (VPLMNs)
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United States of America Patent
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Aug 10, 2010
Grant Date -
Nov 23, 2006
app pub date -
Feb 9, 2006
filing date -
May 23, 2005
priority date (Note) -
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Abstract
By evaluating a cell selection criterion S during scans for available public land mobile networks (PLMNs), a user equipment (UE) can avoid network service interruptions by not selecting PLMNs for which there exist no suitable cells. The cell selection criterion can be evaluated based on cell parameters either read during the PLMN selection procedure or locally stored before the PLMN selection procedure. It is possible to reduce the time required for PLMN scans and UE power consumption.
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